3925639141928 has 32 divisors (see below), whose sum is σ = 8537637374400. Its totient is φ = 1657306075392.

The previous prime is 3925639141901. The next prime is 3925639141943. The reversal of 3925639141928 is 8291419365293.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523135793 + ... + 523143296.

It is an arithmetic number, because the mean of its divisors is an integer number (266801167950).

Almost surely, 2^{3925639141928} is an apocalyptic number.

It is an amenable number.

3925639141928 is an abundant number, since it is smaller than the sum of its proper divisors (4611998232472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3925639141928 is a wasteful number, since it uses less digits than its factorization.

3925639141928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046279169 (or 1046279165 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 62.

The spelling of 3925639141928 in words is "three trillion, nine hundred twenty-five billion, six hundred thirty-nine million, one hundred forty-one thousand, nine hundred twenty-eight".